| High - greater than or equal to 1 in 30 (3.3%) chance of flooding in any year |
| Low – Less than 1 in 100 (1%) but greater than or equal to 1 in 1000 (0.1%) chance of flooding in any given year |
| Medium – Less than 1 in 30 (3.3%) but greater than or equal to 1 in 100 (1%) chance of flooding in any given year |
| Very low - Less than 1 in 1000 (0.1%) chance of flooding in any given year |
| <all other values> |